#include "dialog.h"
#include "ui_dialog.h"
#include "save_restore_session.h"
#include "sessiontreeitem.h"

Dialog::Dialog(QWidget *parent) :
    QDialog(parent),
    ui(new Ui::Dialog)
{
    model_ = new SessionTreeModel(parent);
    ui->setupUi(this);
}

Dialog::~Dialog()
{
    delete ui;
    delete model_;
}

void Dialog::changeEvent(QEvent *e)
{
    QDialog::changeEvent(e);
    switch (e->type()) {
    case QEvent::LanguageChange:
        ui->retranslateUi(this);
        break;
    default:
        break;
    }
}

void Dialog::on_treeView_activated(QModelIndex index)
{
    //TODO handle failures
    //printf ("Item %d has been activated\n", index.row());
    //TODO get rid of this->entries, storing them in the model should be enough
    // alternatively use references instead of copies?

    SessionTreeItem* item =
            static_cast<SessionTreeItem*>(index.internalPointer());

    const Session* s(item->session());
    if (!s) {
        return;
    }
    if (s->run()) {
        writeSessionName(s->shortDescription());
        close();
    } else {
        // TODO: error instead of close
        close();
    }
}

void Dialog::addItems(const QList<Session*>& entries, const QString& section) {
    // TODO: section
    // TODO: this is not the right way to do this
    // we probably do not need a copy of the entries vector in Dialog and Model
    //printf("Dialog::addItems()\n");
    //printf(" before: %d items\n", this->entries_.size());
    //printf(" %d new items\n", entries.size());
    //this->entries_.append(entries);
    //printf(" after: %d items\n", this->entries_.size());

    this->model_->addItems(entries, section);

    // TODO: do this only once?
    ui->treeView->setModel(model_);
    ui->treeView->expandAll();
}

void Dialog::on_pushButtonAbort_clicked()
{
    close();
}

void Dialog::on_pushButtonStart_clicked()
{
    // TODO: check if a model is selected
    this->on_treeView_activated(ui->treeView->selectionModel()->currentIndex());
}